List of top Chemistry Questions asked in TS EAMCET

Observe the following reactions (not balanced):

Cl₂ + NaOH → NaCl + X + H₂O

Cl₂ + NaOH → NaCl + Y + H₂O

Which of the following is not correct?

(1) XeO2 is a colorless explosive gas
(2) SO2 is highly soluble in water
(3) Noble gases have very low boiling points
(4) The boiling point of sulphur is more than that of oxygen

Identify the oxidizing reactions of KMnO$_4$ in acidic medium. I.Liberation of iodine from KI
II.Conversion of $\text{Fe}^{2+}$ to $\text{Fe}^{3+}$
III.Oxidation of nitrite to nitrate
IV.Oxidation of iodide to iodate

A polymer contains 800 molecules of molar mass 1000, 100 molecules of molar mass 2000 and 100 molecules of molar mass 5000. What is its number average molecular weight ($M_n$)?

The vitamin that can be stored in the body and whose deficiency results in disease is:

The drug which is obtained from opium poppy and its use are respectively:

Hydrolysis of an alkyl halide $ X $ ($C_6H_5Br$) follows second order kinetics. Reaction of $ X $ with $ C_6H_5Cl $ in the presence of Na/dry ether gave $ Y $. Oxidation of $ Y $ in the presence of $ KMnO_4 / OH^- $ gave $ Z $. What are $ Y $ and $ Z $ respectively?

Match the following carboxylic acids with their pKa values.

The major product of the following reaction is

What are X and Y respectively in the following reactions?

The set of complex ions having the same number of unpaired electrons is

Two statements are given below: Statement I: The boiling points of alcohols increase with increase of branching in carbon chain.
Statement II: The solubility of alcohol decreases with increase in size of alkyl group.

A carbonyl compound $ X(C_3H_6O) $ on oxidation gave carboxylic acid $ Y(C_3H_6O_2) $. The oxime of $ X $ is:

The oxide of nitrogen, 'X' is a blue solid and is acidic in nature. $ X $ is

In which of the following metal extraction, $ CO_2 $ is used?

What is X in the following reaction? \[ CO(g) + 2H_2(g) \xrightarrow{X} CH_3OH(l) \]

The number of products formed by thermal decomposition of lithium nitrate, sodium nitrate respectively are:

At $ T(K) $, a vessel contains $ V $ litres of an ideal gas. The vessel was partitioned into three equal parts. The volume (in L) and temperature (in K) in each part are respectively

Which one of the following order is correct regarding the covalent character of given molecules?

Which of the following gives proof of quantized electronic energy levels in hydrogen atom?

Identify the correct statements:

(i) LiF has more covalent character compared to KF.
(ii) Dipole moment of NF₃ is greater than that of NH₃.
(iii) The bond order is same for F₂ and O₂.
(iv) Ionic compounds possess low melting and boiling points.

Two statements are given below:

I. Milk sugar is a disaccharide of $ \alpha $-D-galactose and $ \beta $-D-glucose.
II. Sucrose is a disaccharide of $ \alpha $-D-glucose and $ \beta $-D-fructose. The correct answer is:

The wavelength of an electron is $ 10^3 $ nm. What is its momentum in kg m s$^{-1}$?

Two statements are given below: Statement I: In H atom, the energy of 2s and 2p orbitals is the same.
Statement II: In He atom, the energy of 2s and 2p orbitals is the same.

The set containing the elements with positive electron gain enthalpies is?